Lab Practical Exam 3 - Muscles

Question 1

Definition of Epi- ?

Answer 1

on or upon

Question 2

Definition of Peri- ?

Answer 2

Around

Question 3

Definition of Endo- ?

Answer 3

Within

Question 4

Definition of Myo- ?

Answer 4

Muscle (myocyte = muscle cell)

Question 5

Definition of Sarco-?

Answer 5

flesh

Question 6

Hierarchy of Extra Cellular Matrix of muscles (smallest to largest) (3)

Answer 6

Endomysium, perimysium, epimysium

Question 7

Hierarchy of Muscles (smallest to largest)

Answer 7

myofibril, muscle fiber, fascicle, muscle

Question 8

convergent fascicle

Answer 8

muscle fascicles extending over a broad area come together, or converge, on a common attachment site.

Question 9

parallel fascicle

Answer 9

the fascicles are parallel to the long axis of the muscle. Most of the skeletal muscles in the body are parallel muscles.

Question 10

pennate fascicle

Answer 10

the fascicles form a common angle with the tendon. Because the muscle fibers pull at an angle, contracting pennate muscles do not move their tendons as far as parallel muscles do.

Question 11

circular fascicle

Answer 11

concentrically arranged around an opening.

Question 12

frontalis function

Answer 12

elevates eyebrow

Question 13

orbicularis oculi function

Answer 13

closes eyelids and tears

Question 14

orbicularis oris function

Answer 14

kissing muscle

Question 15

buccinator function

Answer 15

compresses cheeks

Question 16

temporalis function

Answer 16

elevates mandible

Question 17

platysma function

Answer 17

tenses neck skin

Question 18

splenus capitis function

Answer 18

supports the head

Question 19

scalenes function

Answer 19

neck movement

Question 20

masseter function

Answer 20

chewing

Question 21

sternocleidomastoid

Answer 21

rotation of head / opposite sides

Question 22

occipitalis function

Answer 22

scalp movement

Question 23

zygomaticus major

Answer 23

smiling

Question 24

quadriceps group

Answer 24

rectus femoris, vastus medialis, vastus lateralis

Question 25

upper leg anterior illopsoas group

Answer 25

iliacus, psoas major

Question 26

upper leg anterior adductor group

Answer 26

adductor longus, gracialis

Question 27

upper leg anterior unique (2)

Answer 27

tensor fasciae latae, sartorius

Question 28

posterior adductor group

Answer 28

adductor magnus, gracilis

Question 29

upper leg posterior knee flexors

Answer 29

biceps femoris, semitendinosus, semimembranosus

Question 30

upper leg posterior semi-sus group

Answer 30

semitendinosus, semimembranosus

Question 31

upper leg posterior femoral

Answer 31

biceps femoris

Question 32

lower leg anterior

Answer 32

fibularis longus, tibialis anterior

Question 33

lower leg posterior (calf muscles)

Answer 33

gastrocnemius, soleus

Question 34

orbicularis meaning

Answer 34

a muscle encircling an orifice

Question 35

longus meaning

Answer 35

long

Question 36

trapezius meaning

Answer 36

large, triangular, paired muscle

Question 37

brevis meaning

Answer 37

short

Question 38

magnus meaning

Answer 38

large

Question 39

minimus meaning

Answer 39

small

Question 40

oblique meaning

Answer 40

slanting

Question 41

rectus meaning

Answer 41

straight muscle

Question 42

deltoid

Answer 42

large, triangular contoured muscle of the shoulder

Question 43

transversus

Answer 43

extend from side to side

Question 44

biceps

Answer 44

two-headed muscle of the arm

Question 45

brachialis function

Answer 45

flexes elbow

Question 46

brachioradialis function

Answer 46

flexes forearm

Question 47

flexor capri radialis function

Answer 47

flexation of wrist

Question 48

palmaris longus function

Answer 48

wrist flexion

Question 49

flexor carpi ulnaris function

Answer 49

extends phalanges

Question 50

extensor carpi ulnaris function

Answer 50

extends hand at wrist

Question 51

extensor digitorum function

Answer 51

extends phalanges at the wrist

Question 52

diaphragm function

Answer 52

respiration

Question 53

external obliques function

Answer 53

flexes trunk, assist respiration

Question 54

internal obliques function

Answer 54

flexes trunk

Question 55

rectus abdominis function

Answer 55

flexes trunk anteriorally

Question 56

internal intercostal function

Answer 56

ribs depression during expiration

Question 57

external intercostal function

Answer 57

ribs elevation during expiration

Question 58

latissimus dorsi function

Answer 58

extends and internally rotates arm, retracts shoulder

Question 59

pectoralis major function

Answer 59

adducts and medially rotates humerus

Question 60

transversus abdominis function

Answer 60

compresses abdomen

Question 61

trapezius function

Answer 61

elevate, retract, depress, or rotate scapula

Question 62

serratus anterior function

Answer 62

protracts and stabilizes scapula

Question 63

biceps femoris action

Answer 63

flexes leg at the knee

Question 64

fibularis longus action

Answer 64

plantar flexion and eversion of foot

Question 65

gluteus medius action

Answer 65

flexes thigh at the hip

Question 66

gracilis action

Answer 66

abducts thigh and rotates medially

Question 67

iliopsoas action

Answer 67

adducts thigh

Question 68

quadriceps group action

Answer 68

extends leg at the knee

Question 69

sartorius action

Answer 69

abducts thigh and rotates it laterally

Question 70

tibialis anterior action

Answer 70

dorsiflexion and inversion of foot

Question 70

tibialis anterior action

Answer 70

dorsiflexion and inversion of foot